Disk spacce required for upgrade incorrect and upgrade fails

[Rich Hauke]

Reporting issue as requested by the do-release-upgrade failure output.

Upgrading from 20.04 LTS to 20.04.2 LTS using "do-release-upgrade".

First attempt at upgrade stopped due to insufficient disk space warning, 3.3 GB available of required 5 GB on / filesystem. Aborted upgrade and proceeded to clear up space.

Cleared up space to have 5.2 GB available on / filesystem.

Second attempt proceeded, ran for quite some time and failed with following message:

The upgrade has aborted. Your system could be in an unusable state. A
recovery will run now (dpkg --configure -a).
Please report this bug in a browser at
http://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+filebug
and attach the files in /var/log/dist-upgrade/ to the bug report.
E:Sub-process /usr/bin/dpkg returned an error code (2)
dpkg: unrecoverable fatal error, aborting:
unable to fill /var/lib/dpkg/updates/tmp.i with padding: No space left on device
Logging error ---
--
Traceback (most recent call last):
File "/usr/lib/python3.10/logging/__init__.py", line 1104, in emit
self.flush()
File "/usr/lib/python3.10/logging/_init_.py", line 1084, in flush
self.stream.flush()
SError: [Errno 28] No space left on device
all stack:
File /tmp/ubuntu-release-upgrader-go7hg9ns/./xorg_fix_proprietary.py", line 88, in <module>
logging. info("$s running" * sys.argv[0])
essage: '/usr/bin/do-release-upgrade running'
rguments: ()
Logging error
-
raceback (most recent call last):
File "/usr/lib/python3.10/logging/__init_.py", line 1104, in emit
self.flush()
File "/usr/lib/python3.10/logging/_init_.py", line 1084, in flush
self.stream.flush()
SError: [Errno 28] No space left on device
all stack:
File "/tmp/ubuntu-release-upgrader-go7hg9ns/./xorg_fix_proprietary.py", line 91, in <module>
logging.infol "No xorg.conf, exiting")
essage: 'No xorg.conf, exiting'
rguments: ()
ograde complete
ve upgrade has completed but there were errors during the upgrade
ocess.
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